some precautions to lessen pregreying:-
1.Eating balanced food rich in vitamins and minerals is the first step towards avoiding premature greying of hair.
2.Foods to avoid,are excessive meat, dairy, and salt
3.The consumption of an unhealthy diet is one of the most common premature grey hair causes. Oily and fried foods, alcohol, coffee and tea when consumed in excess can bring about premature grey hair
4.another reason is if your body is acidic you will tend to have premature greying,so to increase the alkalinity drink lots of water and eat lots of vegetables.
1.Eat raw amla,drink amla juice,make a hair pack of amla and use it twice a month.to make amla pack boil 7 to 8 amle for few mins then crush it and use directly on your hair leave it for 1 hour and then wash it thouroughly.
2.Use home made coconut oil not the ones sold in market which contains a lot of chemicals.
3.Eat curry leaves.It works wonder for pregreying.
Rub ur nails against each other for about 20 mins daily.continue this for 6 months.It reverse the greying process.